EP1426939A4 - Support optique d'enregistrement d'informations - Google Patents

Support optique d'enregistrement d'informations

Info

Publication number
EP1426939A4
EP1426939A4 EP02702778A EP02702778A EP1426939A4 EP 1426939 A4 EP1426939 A4 EP 1426939A4 EP 02702778 A EP02702778 A EP 02702778A EP 02702778 A EP02702778 A EP 02702778A EP 1426939 A4 EP1426939 A4 EP 1426939A4
Authority
EP
European Patent Office
Prior art keywords
recording medium
information recording
optical information
optical
medium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02702778A
Other languages
German (de)
English (en)
Other versions
EP1426939B1 (fr
EP1426939A1 (fr
Inventor
Takashi Nishihara
Rie Kojima
Noboru Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP1426939A1 publication Critical patent/EP1426939A1/fr
Publication of EP1426939A4 publication Critical patent/EP1426939A4/fr
Application granted granted Critical
Publication of EP1426939B1 publication Critical patent/EP1426939B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24067—Combinations of two or more layers with specific interrelation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
    • G11B7/2534—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
    • G11B7/2542—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/2585—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/259—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on silver
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/2595—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on gold

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
EP02702778A 2001-09-12 2002-03-07 Support optique d'enregistrement d'informations Expired - Lifetime EP1426939B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001276281 2001-09-12
JP2001276281 2001-09-12
PCT/JP2002/002099 WO2003025922A1 (fr) 2001-09-12 2002-03-07 Support optique d'enregistrement d'informations

Publications (3)

Publication Number Publication Date
EP1426939A1 EP1426939A1 (fr) 2004-06-09
EP1426939A4 true EP1426939A4 (fr) 2006-06-28
EP1426939B1 EP1426939B1 (fr) 2008-10-15

Family

ID=19101006

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02702778A Expired - Lifetime EP1426939B1 (fr) 2001-09-12 2002-03-07 Support optique d'enregistrement d'informations

Country Status (6)

Country Link
US (1) US20040105182A1 (fr)
EP (1) EP1426939B1 (fr)
JP (1) JPWO2003025922A1 (fr)
CN (2) CN1734608A (fr)
DE (1) DE60229405D1 (fr)
WO (1) WO2003025922A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW575873B (en) * 2000-07-13 2004-02-11 Matsushita Electric Ind Co Ltd Information recording medium, method for producing the same, and recording/reproducing method using the same
EP1513139B1 (fr) * 2001-10-12 2007-09-05 Matsushita Electric Industrial Co., Ltd. Méthode pour déterminer le changement de la transmittance optique d'un support d'enregistrement optique
US7645499B2 (en) * 2002-10-10 2010-01-12 Panasonic Corporation Optical information recording medium and manufacturing method thereof
US7439007B2 (en) * 2002-12-20 2008-10-21 Ricoh Company, Ltd. Phase change information recording medium having multiple layers and recording and playback method for the medium
JP3940709B2 (ja) 2003-07-01 2007-07-04 株式会社東芝 相変化光記録媒体
JP4357454B2 (ja) * 2005-06-08 2009-11-04 株式会社東芝 光記録媒体および光ディスク
CN101496104B (zh) * 2006-03-31 2010-12-01 松下电器产业株式会社 信息记录介质及其制造方法
JP2007323776A (ja) 2006-06-02 2007-12-13 Toshiba Corp 光記録媒体、情報記録方法、情報再生方法
JPWO2009096165A1 (ja) 2008-01-31 2011-05-26 パナソニック株式会社 光学的情報記録媒体とその製造方法、及びターゲット
JP5386374B2 (ja) 2008-01-31 2014-01-15 パナソニック株式会社 光学的情報記録媒体及びその製造方法
JP4605257B2 (ja) 2008-06-11 2011-01-05 ソニー株式会社 光情報記録媒体
US8259556B2 (en) 2008-11-26 2012-09-04 Panasonic Corporation Information recording medium, recording apparatus, reproducing apparatus and reproducing method
US20100195458A1 (en) * 2008-12-01 2010-08-05 Panasonic Corporation Information recording medium, recording apparatus, reproducing apparatus and reproducing method
US20100135141A1 (en) * 2008-12-01 2010-06-03 Panasonic Corporation Information recording medium and method for reproducing the information from the same
JP2012033218A (ja) 2010-07-29 2012-02-16 Sony Corp 光記録媒体
JP5870318B2 (ja) 2011-03-08 2016-02-24 パナソニックＩｐマネジメント株式会社 情報記録媒体とその製造方法
US8580368B2 (en) 2011-03-08 2013-11-12 Panasonic Corporation Information recording medium and method for manufacturing the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1052632A2 (fr) * 1999-05-12 2000-11-15 Matsushita Electric Industrial Co., Ltd. Support d'enregistrement optique d'informations
US6190750B1 (en) * 1998-05-12 2001-02-20 U.S. Philips Corporation Rewritable optical information medium
EP1172811A2 (fr) * 2000-07-13 2002-01-16 Matsushita Electric Industrial Co., Ltd. Support d'enregistrement d'informations, son procédé de fabrication, et procédé d'enregistrement / de reproduction l'utilisant
EP1187119A2 (fr) * 2000-08-31 2002-03-13 Matsushita Electric Industrial Co., Ltd. Support d'enregistrement d'informations, son procédé de fabrication, et procédé et appareil d'enregistrement / de reproduction d'informations sur celui-ci

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DE3885156T2 (de) * 1987-06-11 1994-03-17 Asahi Chemical Ind Verfahren zum Aufzeichnen und Löschen von Daten.
US6242157B1 (en) * 1996-08-09 2001-06-05 Tdk Corporation Optical recording medium and method for making
TW372314B (en) * 1996-11-25 1999-10-21 Hitachi Maxell Data recording medium and data regeneration apparatus thereof
TW411457B (en) * 1997-08-01 2000-11-11 Hitachi Maxell Information recording medium
JPH1196579A (ja) * 1997-09-19 1999-04-09 Tdk Corp 光記録媒体の記録再生方法および光記録媒体
JPH11296904A (ja) * 1998-04-03 1999-10-29 Toshiba Corp 情報記録媒体およびこれに用いられる樹脂基板の製造方法
EP0957477A3 (fr) * 1998-05-15 2003-11-05 Matsushita Electric Industrial Co., Ltd. Support d'enregistrement optique, procédé et système d'enregistrement et de reproduction d' information associés
JP2000222777A (ja) * 1998-11-25 2000-08-11 Matsushita Electric Ind Co Ltd 光学情報記録媒体
US6449239B1 (en) * 1998-11-25 2002-09-10 Matsushita Electric Industrial Co., Ltd. Optical information recording medium with thermal diffusion layer
JP4085503B2 (ja) * 1999-02-12 2008-05-14 ソニー株式会社 多層光ディスク
US6511788B1 (en) * 1999-02-12 2003-01-28 Sony Corporation Multi-layered optical disc
JP2000298875A (ja) * 1999-02-13 2000-10-24 Sony Corp 光記録媒体
US6469977B2 (en) * 1999-12-20 2002-10-22 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method for producing the same, and method and apparatus for recording/reproducing information thereon
JP4339999B2 (ja) * 1999-12-20 2009-10-07 パナソニック株式会社 光学的情報記録媒体とその製造方法、記録再生方法及び記録再生装置
JP3913014B2 (ja) * 2000-08-31 2007-05-09 松下電器産業株式会社 情報記録媒体およびその製造方法ならびにその記録再生方法
JP3849606B2 (ja) * 2002-08-06 2006-11-22 株式会社日立製作所 情報記録媒体、情報記録方法、情報再生方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6190750B1 (en) * 1998-05-12 2001-02-20 U.S. Philips Corporation Rewritable optical information medium
EP1052632A2 (fr) * 1999-05-12 2000-11-15 Matsushita Electric Industrial Co., Ltd. Support d'enregistrement optique d'informations
EP1172811A2 (fr) * 2000-07-13 2002-01-16 Matsushita Electric Industrial Co., Ltd. Support d'enregistrement d'informations, son procédé de fabrication, et procédé d'enregistrement / de reproduction l'utilisant
EP1187119A2 (fr) * 2000-08-31 2002-03-13 Matsushita Electric Industrial Co., Ltd. Support d'enregistrement d'informations, son procédé de fabrication, et procédé et appareil d'enregistrement / de reproduction d'informations sur celui-ci

Also Published As

Publication number Publication date
EP1426939B1 (fr) 2008-10-15
CN1516871A (zh) 2004-07-28
EP1426939A1 (fr) 2004-06-09
DE60229405D1 (de) 2008-11-27
JPWO2003025922A1 (ja) 2005-01-06
CN1734608A (zh) 2006-02-15
WO2003025922A1 (fr) 2003-03-27
US20040105182A1 (en) 2004-06-03
CN1244098C (zh) 2006-03-01

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20030519

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RIN1 Information on inventor provided before grant (corrected)

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